Evo and Twin Cam valve springs kits include inner and outer spring assemblies, spring seats, top retainers and valve keeper keys for use 5/16" stem valves
HQ-2007 spring sets with titanium top retainers
HQ-2007
Seat Pressure
160 lbs @ 1.75"
Open Pressure
400 lbs @ 1.2"
Travel -coil bind
1.055"
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